CN102928523A - Wild chrysanthemum flower fingerprint determination method, its application, and wild chrysanthemum flower quality detection method - Google Patents
Wild chrysanthemum flower fingerprint determination method, its application, and wild chrysanthemum flower quality detection method Download PDFInfo
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Abstract
The invention relates to a wild chrysanthemum flower medicinal material quality detection method comprising the fingerprint determination of a wild chrysanthemum flower medicinal material and the determination of the contents of effective components in the wild chrysanthemum flower. The fingerprint determination of the wild chrysanthemum flower medicinal material mainly comprises the following steps: preparing a solution of a substance to be tested; preparing a reference substance solution; determining; recording the fingerprints; and calculating to obtain the similarity. The determination of the contents of the effective components in the wild chrysanthemum flower medicinal material mainly comprises the following steps: preparing a contrast substance solution; preparing a solution of the substance to be tested; determining; recording the fingerprints; and calculating according to an external standard one-point method to obtain the contents. The wild chrysanthemum flower quality detection method can be used for the quality evaluation and the quality control of the wild chrysanthemum flower medicinal material, and the comprehensive evaluation indexes comprise the fingerprint similarity of not less than 0.95 and the linarin content of not less than 0.8%. The wild chrysanthemum flower medicinal material fingerprint determination and the determination of the effective components comprising chlorogenic acid, galuteolin and the linarin in the wild chrysanthemum flower medicinal material have the advantages of strong specificity, high accuracy, good stability, good precision, good repeatability and the like, and are effective means for the quality control of the wild chrysanthemum flower medicinal material.
Description
Technical field
The present invention relates to Chinese crude drug quality testing field, the quality determining method of especially a kind of assay method of mother chrysanthemum medicinal materials fingerprint and the application in the mother chrysanthemum quality testing and mother chrysanthemum.
Background technology
Mother chrysanthemum is the dry capitulum of feverfew mother chrysanthemum Chrysanthemum indicum L..Spend in autumn, two seasons of winter when just opening and pluck, dry, or dry after steaming.Mother chrysanthemum is natural crude drugs, aboundresources, and national most area is all produced, and Hubei, Henan two provinces are the main place of production of commodity medicinal material, and approximately about 3000 tons, also there are a small amount of commodity in the provinces such as Anhui, Jiangsu, Shandong, Shaanxi to annual production.Because be subjected to the impact of the factors such as former plant variety, growing environment, picking time weather, habitat processing method, the quality of medicinal material of separate sources differs greatly, and becomes a great problem of the quality control of medicinal material buying and production link.For a long time, all with traditional experience discrimination method control such as proterties, smell quality, generally take Hua Xingxiao, graininess, the person of giving off a strong fragrance as good, simple and efficient when gather in the mother chrysanthemum place of production, but the shortage quantitative target can not be carried out scientific and reasonable judgement to the medicinal material inherent quality.In the commercial production generally according to " method control Determination of Linarin under mother chrysanthemum item of Chinese pharmacopoeia version in 2010, but because index is single, aspect global quality control and context of detection have defective.
Summary of the invention
The object of the invention is to set up a kind of finger print measuring method of mother chrysanthemum medicinal material, estimate the quality of mother chrysanthemum medicinal material by fingerprint similarity.Another object of the present invention is to set up the content assaying method of active ingredient chlorogenic acid, galuteolin, linarin in a kind of mother chrysanthemum medicinal material, the quality of the Content evaluation mother chrysanthemum medicinal material by effective ingredient.The present invention is directed to the defective of prior art, set up the content assaying method of the finger print measuring method of mother chrysanthemum medicinal material and active ingredient chlorogenic acid, galuteolin, linarin, the qualitative index of the quantitative target such as fingerprint similarity, effective component content and traditional experience discrimination method is organically combined, mutually confirmation, the total quality that is used for the mother chrysanthemum medicinal material detects, for the quality control of mother chrysanthemum provides effective ways, greatly facilitate that medicinal material is gathered, the quality control in the buying, commercial production.
To achieve these goals, the present invention adopts following technical scheme to realize:
The assay method of mother chrysanthemum medicinal materials fingerprint of the present invention comprises the steps:
(1) preparation of need testing solution: accurately weighed mother chrysanthemum medicinal powder, accurate adding concentration of volume percent is 30%～100% methanol aqueous solution, extracts, and shakes up, and filters, and gets subsequent filtrate as need testing solution.
Better, accurately weighed mother chrysanthemum medicinal powder is 0.05g～2.5g, the amount that the accurate concentration of volume percent that adds is 30%～100% methanol aqueous solution is 10～500mL.
Best, accurately weighed mother chrysanthemum medicinal powder is 0.25g, the amount that the accurate concentration of volume percent that adds is 30%～100% methanol aqueous solution is 50mL.
(2) preparation of object of reference solution: getting the linarin reference substance an amount of, is 30%～100% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 12.7～202.9 μ g/mL.
(3) measure: adopt high performance liquid chromatography HPLC that object of reference solution and need testing solution are detected respectively, and the finger-print of record need testing solution and the finger-print of the object of reference solution of chromatographic peak in contrast; Wherein, adopt HPLC to test and comprise following chromatographic condition:
A, the filler of chromatographic column adopts octadecylsilane chemically bonded silica;
B, adopt the mixed liquor of organic phase and water to carry out gradient elution as mobile phase, the percent by volume of organic phase is 5%～90% in the described mobile phase, the percent by volume of water is 95%～10%, wherein, organic phase in the mobile phase is selected from one or more the mixed solvent in second eyeball, methyl alcohol and the tetrahydrofuran, and the water in the mobile phase is selected from the aqueous solution of aqueous acid or buffer salt;
C, column temperature are 25～40 ℃; The detection wavelength is 220～360nm;
Better, the flow velocity of described mobile phase is 1.0mL/min;
The present invention compares finger-print and the mother chrysanthemum standard finger-print of need testing solution, and calculates similarity; Mother chrysanthemum medicinal material standard finger-print of the present invention comprises 18 total fingerprint peakses, take linarin chromatographic peak 12# peak (S peak) as interior reference peak, can calculate relative retention time and the relative peak area of other 17 total fingerprint peakses.
When the present invention carries out the comparison of similarity with the standard finger-print of the finger-print of the mother chrysanthemum that records and mother chrysanthemum, adopt " similarity evaluation " 2004A version software of Chinese Pharmacopoeia Commission's issue to compare.
The similarity of the finger-print of mother chrysanthemum of the present invention and mother chrysanthemum standard finger-print 〉=0.95 is one of criterion of high-quality mother chrysanthemum medicinal material.
The assay method of mother chrysanthemum medicinal materials fingerprint of the present invention can be used for the quality testing of mother chrysanthemum medicinal material.
The quality determining method of mother chrysanthemum medicinal material of the present invention, comprise that the assay method that adopts the mother chrysanthemum finger-print obtains the finger-print of mother chrysanthemum, adopt the condition identical with the assay method of mother chrysanthemum finger-print to obtain the standard finger-print of mother chrysanthemum, the finger-print of the mother chrysanthemum that obtains and the standard finger-print of mother chrysanthemum are carried out similarity relatively; The assay that also comprises effective constituent in the mother chrysanthemum.
Effective constituent in the described mother chrysanthemum medicinal material refers to the effective constituents such as chlorogenic acid, galuteolin and linarin.
The assay of effective constituent in the mother chrysanthemum medicinal material of the present invention comprises specifically comprising the steps: the assay of one or more compositions in effective constituent Content of Chlorogenic Acid, galuteolin and the linarin
(1) preparation of need testing solution: accurately weighed mother chrysanthemum medicinal powder, accurate adding concentration of volume percent is 30%～100% methanol aqueous solution, extracts, and shakes up, and filters, and gets subsequent filtrate as need testing solution.
Better, accurately weighed mother chrysanthemum medicinal powder is 0.05g～2.5g, the amount that the accurate concentration of volume percent that adds is 30%～100% methanol aqueous solution is 10～500mL.
Best, accurately weighed mother chrysanthemum medicinal powder is 0.25g, the amount that the accurate concentration of volume percent that adds is 30%～100% methanol aqueous solution is 50mL.
(2) preparation of reference substance solution: one or more reference substances of choosing in chlorogenic acid reference substance, galuteolin reference substance and the linarin reference substance are an amount of, be the dissolving of 30%～100% methanol aqueous solution with concentration of volume percent, make single reference substance solution or mix reference substance solution.
Better, described single reference substance solution is the single reference substance solution of linarin, the single reference substance solution of galuteolin or the single reference substance solution of chlorogenic acid;
Better, the concentration of linarin is 12.7～202.9 μ g/mL in the single reference substance solution of described linarin; The concentration of the single reference substance solution Content of Chlorogenic Acid of described chlorogenic acid is 2.0～32.4 μ g/mL; The concentration of galuteolin is 1.0～15.6 μ g/mL in the single reference substance solution of described galuteolin.
Better, described mixing reference substance solution is the mixing reference substance solution that comprises linarin; The described mixing reference substance solution that comprises linarin also comprises one or both materials in chlorogenic acid and the galuteolin.
Better, in the described mixing reference substance solution, the concentration of chlorogenic acid is that the concentration of 2.0～32.4 μ g/mL, galuteolin is that the concentration of 1.0～15.6 μ g/mL, linarin is 12.7～202.9 μ g/mL.
(3) measure: adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are detected respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution; Wherein, adopt HPLC to test and comprise following chromatographic condition:
A, the filler of chromatographic column adopts octadecylsilane chemically bonded silica;
B adopts the mixed liquor of organic phase and water to carry out gradient elution as mobile phase; Wherein, the percent by volume of organic phase is 5%～90% in the described mobile phase, and the percent by volume of water is 95%～10%; Organic phase in the mobile phase is selected from one or more the mixed solvent in second eyeball, methyl alcohol and the tetrahydrofuran, and the water in the mobile phase is selected from the aqueous solution of aqueous acid or buffer salt;
C, column temperature are 25～40 ℃; The detection wavelength is 220～360nm;
Better, the flow velocity of described mobile phase is 1.0mL/min;
(4) according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
The quality percentage composition of content of linarin in Flos Chrysanthemi Indici of the present invention is not less than 0.8%, as the criterion of high-quality mother chrysanthemum it
When the present invention be used for to measure the finger-print of the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin, linarin and mother chrysanthemum, can adopt identical test sample preparation method and identical chromatographic condition.
In the preparation of need testing solution of the present invention: the mother chrysanthemum medicinal powder amount of taking is 0.05g～2.5g, extracting solvent can be that concentration of volume percent is 30%～100% methanol aqueous solution, and the consumption of extraction solvent can be 10～500mL according to the difference of the medicinal material amount of taking; The ratio of the best medicinal material amount of taking and the consumption that extracts solvent is 1: 200 (for example: mother chrysanthemum medicinal powder 0.25g is 50% methanol aqueous solution 50mL with concentration of volume percent); Extract when methanol concentration is no more than 50% in the solvent, can get the filtrate direct injected; When if methanol concentration surpasses 50% in the extraction solvent, the peak distortion that the strong solvent effect causes easily appears in direct injected, can make methanol concentration be down to rear sample introduction below 50% by the water dilution and can eliminate the strong solvent effects.Also can be with the ethanolic solution of variable concentrations as extracting solvent, but that the ethanolic solution extraction effect is compared methanol solution is poor.
In the preparation of need testing solution of the present invention: mother chrysanthemum medicinal powder extracting method can be refluxing extraction, ultrasonic extraction, soxhlet extraction.
In the preparation of need testing solution of the present invention: when mother chrysanthemum medicinal powder extracting method adopts refluxing extraction, the general flask that adopts is as extraction vessel, the accurate measuring devices such as extraction solvent employing transfer pipet quantitatively add, need weighed weight before extracting, need to supply with the extraction solvent weight of less loss after the extraction, shake up, filter, get subsequent filtrate and measure; The temperature and time of refluxing extraction has a significant effect to extraction effect, and extracting temperature can be 60～100 ℃, and the optimum extraction temperature is 80 ℃, and extraction time can be 0.5～4.0 hour, and the optimum extraction time is 2.0 hours.
The present invention adopts the test liquid preparation method of refluxing extraction the best to be: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of refluxing extraction 2.0 hours, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, filter, get subsequent filtrate as need testing solution.
In the preparation of test liquid of the present invention: when mother chrysanthemum medicinal powder extracting method adopts ultrasonic extraction, can adopt flask as extraction vessel, the accurate measuring devices such as extraction solvent employing transfer pipet quantitatively add, need weighed weight before extracting, need to supply with the extraction solvent weight of less loss after the extraction, shake up, filter, get subsequent filtrate and measure; Also can adopt volumetric flask as extraction vessel, constant volume after extracting shakes up, and filters, and gets subsequent filtrate and measures; The time of ultrasonic extraction has a significant effect to extraction effect, and extraction time can be 5～60 minutes, and the optimum extraction time is 30 minutes.
The present invention adopts the ultrasonic test liquid preparation method who extracts the best to be: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, ultrasonic extraction 30 minutes, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, filter, get subsequent filtrate as need testing solution.
When the present invention measures the mother chrysanthemum finger-print, its object of reference solution can be made certain density single contrast solution or mix reference substance solution with chlorogenic acid, caffeic acid, galuteolin, linarin, cyanidenon etc., respectively each index components is belonged to the location; For making things convenient for finger-print relatively and saving testing cost, can be with single linarin reference substance solution as object of reference solution, concentration can be 12.7～202.9 μ g/mL, the general employing of the preparation of the object of reference solution solvent identical with test sample, better object of reference preparation method is: get the linarin reference substance, be the dissolving of 50% methanol aqueous solution with concentration of volume percent, make and contain the object of reference solution that linarin is 12.7～202.9 μ g/mL.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, the chromatographic column of indication is the chromatographic column take octadecylsilane chemically bonded silica as filler, the chromatographic column separating property of different brands and model has obvious difference, and is best with Kromasil C18 chromatographic column separating effect when doing determining fingerprint pattern.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, and the mobile phase organic phase of indication can be one or more the mixed solvent in second eyeball, methyl alcohol, the tetrahydrofuran; The aqueous acid of described mobile phase aqueous phase is selected from phosphate aqueous solution, aqueous formic acid, acetic acid aqueous solution and trifluoroacetic acid aqueous solution, but is not limited to above-mentioned aqueous acid; The buffered saline solution of described mobile phase aqueous phase is selected from aqueous phosphatic and acetate aqueous solution, and the pH value of buffered saline solution is not more than 7.0, but is not limited to above-mentioned buffered saline solution.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, organic phase is the second eyeball in the described mobile phase, water is phosphate aqueous solution, and employing gradient elution, and the organic phase percent by volume accounts for 5%～90% in the mobile phase, the water percent by volume accounts for 95%～10%, can obtain desirable separating effect; The concentration of the aqueous acid of aqueous phase can be adjusted in wider scope, and the concentration of volume percent of acid is that change can not cause obvious impact to separating effect in 0.025%～0.1% the scope in the phosphate aqueous solution.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, and best mobile phase is: the organic phase in take the second eyeball as mobile phase, take the water of concentration of volume percent in as 0.05% phosphate aqueous solution as mobile phase; Adopt the condition of gradient elution to be: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, and the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, and the water percent by volume changes to 30% from 30% linearity.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, and the temperature of described chromatographic column is 25～40 ℃, and best chromatographic column column temperature is 30 ℃.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, and described detection wavelength is 220～360nm, and best detection wavelength is 334nm.
The present invention measures the mother chrysanthemum finger-print and measures in the content of effective constituent in the mother chrysanthemum, best chromatographic condition is: get object of reference solution, need testing solution, inject high performance liquid chromatograph, the chromatographic column of chromatographic column adopting take octadecylsilane chemically bonded silica as filler; Organic phase take the second eyeball as mobile phase, take the water of concentration of volume percent as 0.05% phosphate aqueous solution as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80% from 85% linearity, 25～40min, the water percent by volume changes to 70%, 40～50min from 80% linearity, the water percent by volume changes to 30% from 70% linearity, 50～60min, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.Adopt above-mentioned optimum chromatogram condition to measure and record the test sample finger-print; Test sample finger-print and standard finger-print are carried out similarity calculating.
Adopt the standard finger-print of the mother chrysanthemum that above-mentioned top condition sets up, comprise 18 total fingerprint peakses, take linarin chromatographic peak 12# peak (S peak) as interior reference peak, the relative retention time of other 17 total fingerprint peakses is followed successively by 1# peak (0.162 ± 0.005), 2# peak (0.216 ± 0.005), 3# peak (0.543 ± 0.005), 4# peak (0.570 ± 0.005), 5# peak (0.650 ± 0.005), 6# peak (0.693 ± 0.005), 7# peak (0.733 ± 0.005), 8# peak (0.793 ± 0.005), 9# peak (0.804 ± 0.005), 10# peak (0.842 ± 0.005), 11# peak (0.984 ± 0.005), 13# peak (1.031 ± 0.005), 14# peak (1.078 ± 0.005), 15# peak (1.136 ± 0.005), 16# peak (1.148 ± 0.005), 17# peak (1.155 ± 0.005), 18# peak (1.159 ± 0.005).
When the present invention measures the content of effective constituent in the mother chrysanthemum, pressing sample size 20 μ L calculates, the range of linearity of each index components concentration is respectively chlorogenic acid 2.0～32.4 μ g/mL, galuteolin 1.0～15.6 μ g/mL, linarin 12.7～202.9 μ g/mL, therefore can make the single reference substance solution of respective concentration or mix reference substance solution as the reference substance of assay; The reference substance preparation can adopt the methanol solution of variable concentrations to be mixed with the concentration that storing solution further is diluted to again to be needed, and also can directly be mixed with the concentration that needs; Galuteolin, linarin stability in methyl alcohol and methanol aqueous solution is all better, but long-term storage is used; Chlorogenic acid is stable in methyl alcohol, but the long-term storage use is unstable in methanol aqueous solution, and easily Degradation and Transformation needs matching while using.
In the quality determining method of mother chrysanthemum of the present invention, the similarity of the finger-print of the mother chrysanthemum of measuring and mother chrysanthemum standard finger-print is not less than 0.95; In the mother chrysanthemum of measuring, in the dried medicinal material of mother chrysanthemum, the quality percentage composition of linarin is not less than 0.8%; The mother chrysanthemum that satisfies simultaneously above-mentioned two conditions is the high-quality mother chrysanthemum.
The quality determining method of mother chrysanthemum of the present invention can be used for the quality assessment of mother chrysanthemum and the quality control of mother chrysanthemum medicinal material.
The mother chrysanthemum medicinal material to be spending the shape size, the mean diameter of flower shape less than 4 millimeters be Xiao Hua, the mean diameter of colored shape more than or equal to 4 millimeters be Da Hua, traditional experience thinks that Hua Xingxiao, lovely luster, the person's of giving off a strong fragrance quality are good.The place of production and kind may be the principal elements that determines the mother chrysanthemum quality.The present invention is used for estimating the quality of mother chrysanthemum medicinal material, adopts the method for comprehensive evaluation, and the criterion of high-quality medicinal material is: in dried medicinal material, the quality percentage composition of linarin is not less than 0.8%; Be not less than 0.95 with the similarity of standard finger-print.This evaluation method can be distinguished different places of production medicinal material, different cultivars medicinal material, and can mutually confirm with the experience judging standard, can be used for instructing the quality of medicinal material control of producing, purchasing link, has very strong practical value.
Description of drawings
Fig. 1 chromatographic column is selected chromatogram
Fig. 2 mobile phase acid kind is selected chromatogram
Fig. 3 mobile phase acid concentration is investigated chromatogram
Fig. 4 column temperature is investigated chromatogram
The ultraviolet spectrum of active component chlorogenic acid in Fig. 5-1 mother chrysanthemum
The ultraviolet spectrum of active component galuteolin in Fig. 5-2 mother chrysanthemum
The ultraviolet spectrum of active component linarin in Fig. 5-3 mother chrysanthemum
The different mother chrysanthemum chromatograms that detect under the wavelength of Fig. 6
The three-dimensional collection of illustrative plates of Fig. 7 mother chrysanthemum need testing solution DAD
Fig. 8 mother chrysanthemum medicinal material HPLC standard finger-print
The 22 batches of mother chrysanthemum HPLC-FPSs in the different places of production of Fig. 9
Embodiment
Further set forth the present invention below in conjunction with specific embodiment, should be understood that these embodiment only are used for explanation the present invention and are not used in restriction protection scope of the present invention.
Concrete test method:
The preparation of need testing solution: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of refluxing extraction 2.0 hours, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.
Perhaps, get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place volumetric flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, ultrasonic extraction 30 minutes, be chilled to room temperature, be that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, and constant volume, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.
The preparation of object of reference solution: getting the linarin reference substance an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 12.7～202.9 μ g/mL.
The preparation of reference substance solution: getting in chlorogenic acid reference substance, galuteolin reference substance and the linarin reference substance one or more an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, makes single reference substance solution or mixes reference substance solution.Wherein, the concentration of linarin is 12.7～202.9 μ g/mL in the single reference substance solution of the linarin of gained; The concentration of the single reference substance solution Content of Chlorogenic Acid of the chlorogenic acid of gained is 2.0～32.4 μ g/mL; The concentration of galuteolin is 1.0～15.6 μ g/mL in the single reference substance solution of the galuteolin of gained.In the mixing reference substance solution of gained, the concentration of chlorogenic acid is that the concentration of 2.0～32.4 μ g/mL, galuteolin is that the concentration of 1.0～15.6 μ g/mL, linarin is 12.7～202.9 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and finger-print and the finger-print of the object of reference solution of chromatographic peak in contrast of record need testing solution, finger-print and the standard finger-print of need testing solution are compared, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, when adopting high performance liquid chromatography HPLC that various solution to be measured are tested respectively, chromatographic condition is as follows:
Get solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.05% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80% from 85% linearity, 25～40min, the water percent by volume changes to 70%, 40～50min from 80% linearity, the water percent by volume changes to 30% from 70% linearity, 50～60min, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.
Embodiment 1: chromatographic column is chosen in the situation that other conditions are identical in the concrete test method, compare Agilent SB-C18 (4.6 * 250mm, 5 μ m), Agilent TC-C18 (2) (4.6 * 250mm, 5 μ m), Agilent XDB-C18 (4.6 * 250mm, 5 μ m) and Kromasil C18 (4.6 * 250mm, 5 μ m) separating effect of 4 sections of chromatographic columns such as, the result shows, each chromatographic column go out the peak number order, there is significant difference in the peak degree of separation, Kromasil C18 (4.6 * 250mm wherein, 5 μ m) property indices is optimum, therefore select Kromasil C18 (4.6 * 250mm, 5 μ m) as carrying out the determining fingerprint pattern post.See Fig. 1.
Embodiment 2: mobile phase acid kind is selected mainly to contain flavonoids and organic acid composition in the mother chrysanthemum, separates better in acid mobile phase.Take acetonitrile as organic phase, in the situation that other conditions are identical in the concrete test method, separating effect when relatively the aqueous solution of phosphoric acid, glacial acetic acid, formic acid, trifluoroacetic acid is made water, the result shows, chromatographic peak profile and degree of separation were best when phosphate aqueous solution was done water, therefore selected the phosphoric acid solution water further to investigate acid concentration.See Fig. 2.
Embodiment 3: the mobile phase acid concentration investigate in the situation that in the concrete test method other conditions identical, relatively concentration of volume percent be 0.025%, 0.05%, the separating effect the when phosphate aqueous solution of 0.1% 3 kind of concentration is made water, the result shows, the method is better to the tolerance that acid concentration changes, therefore chromatographic peak profile and degree of separation no significant difference under three kinds of acid concentrations select 0.05% phosphoric acid solution as the mobile phase water.See Fig. 3.
Embodiment 4: column temperature investigate in the situation that in the concrete test method other conditions identical, the separating effect under four kinds of different chromatogram column temperatures such as 25 ℃, 30 ℃, 35 ℃, 40 ℃ relatively, the result shows, column temperature has a significant effect to separating effect, each chromatographic peak separates better in the time of 25 ℃, 30 ℃, separate best results in the time of 30 ℃, determine that therefore column temperature is 30 ℃.See Fig. 4.
Embodiment 5: it is three kinds of active components in the mother chrysanthemum that the detection wavelength is selected chlorogenic acid, galuteolin, linarin, and all there are notable difference in its molecular structure, polarity and spectral signature, representative preferably as accusing that index components has.Characteristic absorption according to three kinds of composition ultraviolet spectrums, the chromatogram that extracts under the different wave length from the three-dimensional collection of illustrative plates of mother chrysanthemum test sample DAD compares, and the result shows, the chromatogram baseline that obtains under the 334nm is steady, and can take into account each composition detection sensitivity, therefore elect the determining fingerprint pattern wavelength as.See Fig. 5-1, Fig. 5-2, Fig. 5-3, Fig. 6.
Embodiment 6: extract solvent and select take each index components peak area as evaluation criterion, methyl alcohol, the extraction effect of two kinds of solvents of ethanol when ultrasonic extraction 30min have been compared, the mother chrysanthemum sampling amount is 0.25g, solvent load is 50mL, the result shows, the methyl alcohol extraction efficiency obviously is better than ethanol, therefore selects methyl alcohol to make the further preferred solvent strength of extracting of solvent.Related data sees Table 1.
Table 1 extracts the solvent selection result
Embodiment 7: methanol concentration is investigated take each index components peak area as evaluation criterion, the extraction effect that has compared 80 ℃ of backflow 2h of variable concentrations methanol aqueous solution, the mother chrysanthemum sampling amount is 0.25g, solvent load is 50mL, the result shows, concentration of volume percent is that 50% methanol aqueous solution extraction efficiency is best, and therefore selecting concentration of volume percent is that 50% methanol aqueous solution is solvent.Related data sees Table 2.
Table 2 methanol concentration is investigated the result
Embodiment 8: extracting method is investigated take each index components peak area as evaluation criterion, compared concentration of volume percent and be 50% the ultrasonic 30min of methanol aqueous solution and the extraction effect of 80 ℃ of backflow 2h, the mother chrysanthemum sampling amount is 0.25g, solvent load is 50mL, the result shows, refluxing extraction efficient obviously is better than ultrasonic extraction, therefore selects refluxing extraction further to optimize extracting parameter.Related data sees Table 3.
Table 3 extracting method is investigated the result
Embodiment 9: extract temperature and investigate take each index components peak area as evaluation criterion, compared concentration of volume percent and be the extraction effect of methanol aqueous solution backflow 2h under different temperatures of 50%, the mother chrysanthemum sampling amount is 0.25g, solvent load is 50mL, the result shows, extraction efficiency difference is not obvious at each temperature, and 80 ℃ of comprehensive extraction efficiencies are higher by contrast, determines that therefore extracting temperature is 80 ℃.Related data sees Table 4.
Table 4 extracts temperature and investigates the result
Embodiment 10: extraction time is investigated take each index components peak area as evaluation criterion, compared concentration of volume percent and be the extraction effect of methanol aqueous solution different return times under 80 ℃ of water-baths of 50%, the mother chrysanthemum sampling amount is 0.25g, solvent load is 50mL, the result shows, backflow 2h can extract target component fully, determines that extraction time is 2h.Related data sees Table 5.
Table 5 extraction time investigation result
According to above-mentioned result of study, determine that final sample-pretreating method is: take the methanol aqueous solution of concentration of volume percent as 50% as extracting solvent, 80 ℃ of refluxing extraction 2h.
Embodiment 11: the specificity investigation is got respectively the mixing reference substance solution and (is contained chlorogenic acid 8.088 μ g/mL, galuteolin 3.899 μ g/mL, linarin 50.723 μ g/mL), (concentration is respectively each single reference substance solution: chlorogenic acid 8.088 μ g/mL, galuteolin 3.899 μ g/mL, linarin 50.723 μ g/mL) and the mother chrysanthemum need testing solution (get mother chrysanthemum 0.25g, solvent is that concentration of volume percent is 50% methanol aqueous solution 50mL, prepare need testing solution by reflux extraction in the concrete experimental technique) sample introduction, gather the three-dimensional collection of illustrative plates of DAD, the corresponding chromatographic peak of each reference substance in the test sample chromatogram is belonged to, and the theory of computation number of plates, degree of separation and peak purity, the result shows, the chromatographic peak theoretical tray number average that reference substance is corresponding in each test sample chromatogram is greater than 20000, degree of separation is all greater than 2.0, peak purity is all greater than 995, and the method specificity meets the determining fingerprint pattern requirement.See Fig. 7.
Embodiment 12: precision is got mother chrysanthemum 0.25g, solvent is that concentration of volume percent is 50% methanol aqueous solution 50mL, prepare a need testing solution by reflux extraction in the concrete experimental technique, continuous sample introduction 6 times, with the 1st comparison, all the other chromatogram similarities of 5 times are all greater than 0.999, and the RSD value of each total peak relative retention time, relative peak area is all less than 2%, show that the method precision is good, meet the determining fingerprint pattern requirement.
Embodiment 13: repeatability is got with a collection of mother chrysanthemum medicinal material, prepare 6 parts of need testing solutions, get mother chrysanthemum 0.25g for every part, solvent is that concentration of volume percent is 50% methanol aqueous solution 50mL, prepares need testing solution by reflux extraction in the concrete experimental technique, sample introduction successively, with the 1st part of comparison, all the other chromatogram similarities of 5 parts are all greater than 0.999, and each total peak relative retention time, relative peak area RSD value are all less than 2%, show that the method repeatability is good, meet the determining fingerprint pattern requirement.
Embodiment 14: sample solution stability is got the mother chrysanthemum need testing solution of gained among the embodiment 12 respectively at measuring behind 0h, 4h, 8h, 12h, 24h, 48h, the 72h after preparing, compare with 0h, the chromatogram similarity of each time point is all greater than 0.999, each total peak relative retention time, relative peak area RSD value show that all less than 2% test liquid is stable in 72 hours at least.
Embodiment 15: the foundation of standard finger-print
The preparation of need testing solution: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of refluxing extraction 2.0 hours, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.The preparation of object of reference solution: getting the linarin reference substance an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 50.723 μ g/mL.
When adopting high performance liquid chromatography HPLC that each sample solution is tested respectively, chromatographic condition is: get solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.05% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.
Choose Determination of Linarin greater than 10 batches of mother chrysanthemum medicinal materials of 0.8%, prepare respectively need testing solution, and mensuration finger-print, the finger-print of 10 batches of mother chrysanthemum medicinal materials recording is adopted " similarity evaluation " 2004 A version Software Create mother chrysanthemum medicinal material HPLC standard finger-prints (seeing Fig. 8) of Chinese Pharmacopoeia Commission's issue, demarcate 18 total fingerprint peakses.With linarin chromatographic peak (No. 12 peaks, the S peak) is interior reference peak, other 17 total fingerprint peaks relative retention times are followed successively by 0.162,0.216,0.543,0.570,0.650,0.693,0.733,0.793,0.804,0.842,0.984,1.031,1.078,1.136,1.148,1.155,1.159, wherein No. 2, No. 3, No. 5, No. 6, No. 7, No. 8, No. 11, No. 12 is 8 strong peaks, its peak area and account for 85% of total peak area.Except the S peak, No. 6 the peak-to-peak area surpasses total peak area 10%, stipulates that its relative peak area is 0.283～0.471.
Embodiment 16: the determining fingerprint pattern of the 22 batches of mother chrysanthemum medicinal materials in the different places of production
Get mother chrysanthemum medicinal powder 0.25g, accurately weighed, put in the round-bottomed flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of water-bath refluxing extraction 2h, be chilled to room temperature, add concentration of volume percent and be 50% methanol aqueous solution and supply less loss weight, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.Get test sample 20 μ L and inject high performance liquid chromatograph, adopt Kromasil C18 (5 μ m, 4.6 * 250mm) analytical column, take the second eyeball as the A phase, take the water of concentration of volume percent as 0.05% phosphate aqueous solution as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.22 batches of separate sources mother chrysanthemum medicinal materials are measured, with the standard finger-print of the mother chrysanthemum of gained finger-print and embodiment 15 gained relatively, calculated similarity, the results are shown in Table 6.
22 batches of mother chrysanthemum crude drug sources of table 6 and HPLC fingerprint similarity
| The sample lot number | Sample source | Similarity | Flower shape |
| 20101101 | The Yuexi County, Anhui Province | 0.630 | Xiao Hua |
| 20101102 | The Quanjiao County, Anhui Province | 0.960 | Da Hua |
| 20101103 * | Luotian County, Hubei Province * | 0.969 * | Xiao Hua * |
| 20101104 * | Luotian County, Hubei Province * | 0.974 * | Xiao Hua * |
| 20101105 | The Laohekou City, Hubei Province | 0.650 | Da Hua |
| 20101106 * | The Zaoyang City, Hubei Province * | 0.963 * | Xiao Hua * |
| 20101107 * | Guangshui City, Hubei Province * | 0.838 * | Xiao Hua * |
| 20101108 | Suizhou City Suixuan County Huaihe River, Hubei Province town | 0.915 | Da Hua |
| 20101109 * | Suizhou City Zengdu District He Dian town, Hubei Province * | 0.828 * | Xiao Hua * |
| 20101110 * | Suizhou City Suixuan County Huan Tan town, Hubei Province * | 0.992 * | Xiao Hua * |
| 20101111 * | Suizhou City Zengdu District Jun Chuan town, Hubei Province * | 0.979 * | Xiao Hua * |
| 20101112 | Suizhou City Suixuan County Yin Dian town, Hubei Province | 0.929 | Da Hua |
| 20101113 * | Hubei Province's Xiaogan City * | 0.970 * | Xiao Hua * |
| 20101114 | The Tongbo County, Henan Province | 0.954 | Da Hua |
| 20101115 * | Hair market town, Tongbo County, Henan Province * | 0.998 * | Xiao Hua * |
| 20101116 | Xixia, Henan | 0.886 | Da Hua |
| 20101117 * | Xinyang City, Henan Province * | 0.968 * | Xiao Hua * |
| 20101118 | The Luoshan County, Henan Province | 0.777 | Da Hua |
| 20101119 | Wu Gang township, Nanyang City, Henan Province | 0.333 | Da Hua |
| 20101120 | The Shangcheng County, Henan Province | 0.920 | Da Hua |
| 20101121 * | Suizhou City Zengdu District Fu He town, Hubei Province * | 0.966 * | Xiao Hua * |
| 20101123 * | Macheng City, Hubei Province * | 0.972 * | Xiao Hua * |
In the table 6
*The mother chrysanthemum of representative is Xiao Hua, and the mean diameter of flower is less than 4 millimeters.
Embodiment 17: reference substance solution preparation is got chlorogenic acid, galuteolin, linarin reference substance and was placed the phosphorus pentoxide desiccator vacuum drying 24 hours; Get chlorogenic acid reference substance 10mg, accurately weighed, put in the volumetric flask of 50mL, add the methyl alcohol dissolving, be settled to scale, shake up, as the chlorogenic acid storing solution.Get galuteolin reference substance 10mg, accurately weighed, put in the volumetric flask of 100mL, add the methyl alcohol dissolving, be settled to scale, shake up, as the galuteolin storing solution.Get linarin reference substance 10mg, accurately weighed, put in the volumetric flask of 250mL, accurate chlorogenic acid storing solution, each 25mL of galuteolin storing solution of adding, add again an amount of methyl alcohol dissolving, be settled to scale, shake up, as mixing reference substance storing solution (containing chlorogenic acid 21.74 μ g/mL, galuteolin 10.27 μ g/mL, linarin 42.94 μ g/mL).Precision measures 5.0mL mixing reference substance storing solution, puts in the 10mL volumetric flask, adds water to nearly scale, be chilled to room temperature, again constant volume shakes up, in contrast product solution (containing chlorogenic acid 10.87 μ g/mL, galuteolin 5.13 μ g/mL, linarin 21.47 μ g/mL).
Embodiment 18: linear relationship is investigated respectively precision and is measured and mix reference substance solution (containing chlorogenic acid 8.088 μ g/mL, galuteolin 3.899 μ g/mL, linarin 50.723 μ g/mL) 5 μ L, 10 μ L, 20 μ L, 40 μ L, 80 μ L injection liquid chromatographies, measures by HPLC chromatography in the concrete test method.Take each index components sample size (μ g) as horizontal ordinate, peak area (mAU*S) is ordinate, and the drawing standard curve calculates regression equation, related coefficient and the range of linearity.The related assays data see Table 7.
Table 7 mother chrysanthemum assay linear relationship is investigated the result
The chlorogenic acid regression equation is: y=4.0456x+2.1376, R
2=1, be concerned about good in 40.44～647.04ng scope internal linear.The galuteolin regression equation is: y=2.5179x-1.1706, R
2=1, be concerned about good in 19.50～311.92ng scope internal linear.The linarin regression equation is: y=2.3279x+5.3347, R
2=1, be concerned about good in 253.62～4057.82ng scope internal linear.
Embodiment 19: instrument precision is got reference substance solution (containing chlorogenic acid 8.088 μ g/mL, galuteolin 3.899 μ g/mL, linarin 50.723 μ g/mL), adopt Kromasil C18 (5um, 4.6 * 250mm) be analytical column, measure by the HPLC method in the concrete test method, replication 6 times, sample size 20 μ L are with the calculated by peak area RSD value of each index components chromatographic peak.The result shows, each index components RSD value is all less than 2.0%, and instrument precision is up to specification.Related data sees Table 8.
Table 8 instrument precision experimental result
Embodiment 20: repeatability is got with a collection of mother chrysanthemum medicinal powder, 6 parts of need testing solutions of parallel preparation, get mother chrysanthemum 0.25g for every part, solvent is that concentration of volume percent is 50% methanol aqueous solution 50mL, prepare need testing solution by reflux extraction in the concrete test method, and employing Kromasil C18 (5um, 4.6 * 250mm) is analytical column, measure by the HPLC chromatographic process in the concrete test method, and press one point external standard method and calculate each index components content and RSD value thereof in the medicinal material.The result shows, the RSD value of each index components content is all less than 2.0%, and the repeatability of method is good.Related data sees Table 9.
Table 9 repeated experiment result
Embodiment 21: middle precision is got with a collection of mother chrysanthemum medicinal powder, the preparation need testing solution (is got mother chrysanthemum 0.25g, solvent is that concentration of volume percent is 50% methanol aqueous solution 50mL, prepare need testing solution by reflux extraction in the concrete experimental technique), adopt Kromasil C18 (5um, 4.6 * 250mm) be analytical column, measure by the HPLC method in the concrete experimental technique, and press one point external standard method and calculate each index components content in the medicinal material, investigate different personnel, different time, different Instrument measuring results' precision is calculated the RSD value.The result shows, each index components assay result's of gained RSD value is all less than 2.0% under different time, different personnel, the different instrument, and the middle precision of the method is up to specification.Related data sees Table 10～table 12.
Precision different time experimental result in the middle of the table 10
| Index components | Time 1 | |
|
Mean value | RSD(％) |
| Chlorogenic acid | 0.3213 | 0.3248 | 0.3279 | 0.3247 | 1.02 |
| Galuteolin | 0.1736 | 0.1757 | 0.1731 | 0.1741 | 0.79 |
| Linarin | 0.8196 | 0.8262 | 0.8254 | 0.8237 | 0.44 |
The different personnel's experimental results of precision in the middle of the table 11
| Index components | Personnel 1 | |
|
Mean value | RSD(％) |
| Chlorogenic acid | 0.3213 | 0.3284 | 0.3192 | 0.3230 | 1.49 |
| Galuteolin | 0.1736 | 0.1761 | 0.1736 | 0.1744 | 0.83 |
| Linarin | 0.8196 | 0.8270 | 0.8225 | 0.8230 | 0.45 |
The different instrument experiment results of precision in the middle of the table 12
| Index components | Instrument 1 | |
|
Mean value | RSD(％) |
| Chlorogenic acid | 0.3213 | 0.3214 | 0.3297 | 0.3241 | 1.49 |
| Galuteolin | 0.1736 | 0.1714 | 0.1782 | 0.1744 | 1.99 |
| Linarin | 0.8196 | 0.8070 | 0.8176 | 0.8147 | 0.83 |
Embodiment 22: the recovery is got mother chrysanthemum medicinal powder 0.125g, accurately weighed, put in the round-bottomed flask, the accurate mixing reference substance storing solution that adds (contains chlorogenic acid 21.74 μ g/mL, galuteolin 10.27 μ g/mL, linarin 42.94 μ g/mL) 25mL, precision adds entry 25mL again, concentration of volume percent is 50% methanol aqueous solution 1.7mL (the mixed volume compensation of first alcohol and water), weighed weight, 80 ℃ of water-bath refluxing extraction 2h, be chilled to room temperature, add concentration of volume percent and be 50% methanol aqueous solution and supply less loss weight, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.6 parts of need testing solutions of parallel preparation, (5um, 4.6 * 250mm) is analytical column, measures by the HPLC method in the concrete experimental technique, calculates each index components recovery and RSD value thereof by one point external standard method to adopt Kromasil C18.The result shows, each index components recovery RSD value is all less than 2.0%, and the accuracy of the method is up to specification.Related data sees Table 13～table 15.
Table 13 chlorogenic acid recovery experimental result
Table 14 galuteolin recovery experimental result
Table 15 linarin recovery experimental result
Embodiment 23: the assay of the 22 batches of mother chrysanthemum medicinal materials in the different places of production
Get mother chrysanthemum medicinal powder 0.25g, accurately weighed, put in the round-bottomed flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of water-bath refluxing extraction 2h, be chilled to room temperature, add concentration of volume percent and be 50% methanol aqueous solution and supply less loss weight, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.Get need testing solution and reference substance solution and (contain chlorogenic acid 8.088 μ g/mL, galuteolin 3.899 μ g/mL, linarin 50.723 μ g/mL) each 20 μ L, inject high performance liquid chromatograph, adopt Kromasil C18 (5 μ m, 4.6 * 250mm) analytical column, organic phase take the second eyeball as mobile phase, take the water of concentration of volume percent as 0.05% phosphate aqueous solution as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80% from 85% linearity, 25～40min, the water percent by volume changes to 70%, 40～50min from 80% linearity, the water percent by volume changes to 30% from 70% linearity, 50～60min, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.Get 22 batches of separate sources mother chrysanthemum medicinal materials, two parts of the every batch of parallel preparations of medicinal material, every part is advanced two pins calculate the index components such as medicinal material Content of Chlorogenic Acid, galuteolin, linarin by one point external standard method content (averaging), and measurement result sees Table 16.
22 batches of mother chrysanthemum medicinal materials of table 16 separate sources assay result
In the table 16
*The mother chrysanthemum of representative is Xiao Hua, and the mean diameter of flower is less than 4 millimeters.
Embodiment 24: the quality assessment of mother chrysanthemum medicinal material
The mother chrysanthemum medicinal material to be spending the shape size, the mean diameter of flower shape less than 4 millimeters be Xiao Hua, the mean diameter of colored shape more than or equal to 4 millimeters be Da Hua, traditional experience thinks that Hua Xingxiao, lovely luster, the person's of giving off a strong fragrance quality are good.By table 6, table 16 result as seen, greater than 0.95, and Determination of Linarin is the criterion of high-quality medicinal material greater than 0.8% with similarity, and then Hubei produces that the mother chrysanthemum quality of medicinal material generally is better than Henan, medicinal material is produced in Anhui; The micranthine amount generally is better than Da Hua; The place of production and kind may be the principal elements that determines the mother chrysanthemum quality.
Mother chrysanthemum sample among following examples 25-30 all selects lot number to be 20101106, the source place is the Zaoyang Hubei city, the flower type is the mother chrysanthemum sample of Xiao Hua.
Embodiment 25
The preparation of need testing solution: get mother chrysanthemum medicinal powder 1.0g, accurately weighed, place flask, accurate adding concentration of volume percent is 30% methanol aqueous solution 200mL, weighed weight, 100 ℃ of refluxing extraction 4.0 hours, be chilled to room temperature, supply less loss weight with 30% methanol aqueous solution, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.
The preparation of object of reference solution: getting the linarin reference substance an amount of, is 30% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 12.7 μ g/mL.
The preparation of reference substance solution: each is an amount of to get chlorogenic acid reference substance, galuteolin reference substance and linarin reference substance, is 30% methanol aqueous solution dissolving with concentration of volume percent, makes the mixing reference substance solution.Wherein, in the mixing reference substance solution of gained, the concentration of chlorogenic acid is that the concentration of 2.0 μ g/mL, galuteolin is that the concentration of 1.0 μ g/mL, linarin is 12.7 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and the finger-print of record need testing solution and the finger-print of object of reference solution, the finger-print of need testing solution is compared with the mother chrysanthemum standard finger-print that adopts the present embodiment chromatographic condition to set up, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, the chromatographic condition of HPLC test is all as follows: get respectively each solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.025% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 25 ℃; Detect wavelength: 360nm.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 17, and as seen, the similarity of mother chrysanthemum sample finger-print and standard finger-print is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape spends the mean diameter of shape less than 4 millimeters through measuring.
The similarity of table 17 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Embodiment 26
The preparation of need testing solution: get mother chrysanthemum medicinal powder 0.05g, accurately weighed, place flask, accurate adding concentration of volume percent is 90% methanol aqueous solution 10mL, weighed weight, 60 ℃ of refluxing extraction 0.5 hour, be chilled to room temperature, supply less loss weight with 90% methanol aqueous solution, shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.
The preparation of object of reference solution: getting the linarin reference substance an amount of, is 90% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 202.9 μ g/mL.
The preparation of reference substance solution: each is an amount of to get chlorogenic acid reference substance, galuteolin reference substance and linarin reference substance, be the dissolving of 90% methanol aqueous solution with concentration of volume percent, make the mixing reference substance solution, the concentration of its Content of Chlorogenic Acid is that the concentration of 32.4 μ g/mL, galuteolin is that the concentration of 15.6 μ g/mL, linarin is 202.9 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and the finger-print of record need testing solution and the finger-print of object of reference solution, the finger-print of need testing solution is compared with the mother chrysanthemum standard finger-print that adopts the present embodiment chromatographic condition to set up, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, the chromatographic condition of HPLC test is all as follows: get respectively solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.1% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 18, and as seen, the similarity of mother chrysanthemum sample finger-print and standard finger-print is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape spends the mean diameter of shape less than 4 millimeters through measuring:
The similarity of table 18 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Embodiment 27
The preparation of need testing solution: get mother chrysanthemum medicinal powder 2.5g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 500mL, weighed weight, ultrasonic extraction 60 minutes, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.The preparation of object of reference solution: getting the linarin reference substance an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 50.0 μ g/mL.
The preparation of reference substance solution: getting in chlorogenic acid reference substance, galuteolin reference substance and the linarin reference substance one or more an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, makes single reference substance solution or mixes reference substance solution.Wherein in the mixing reference substance solution of gained, the concentration of chlorogenic acid is that the concentration of 10.0 μ g/mL, galuteolin is that the concentration of 10.0 μ g/mL, linarin is 50.0 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and the finger-print of record need testing solution and the finger-print of object of reference solution, the finger-print of need testing solution is compared with the mother chrysanthemum standard finger-print that adopts the present embodiment chromatographic condition to set up, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, the chromatographic condition of HPLC test is all as follows: get respectively solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.05% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 220nm.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 19, and as seen, the similarity of mother chrysanthemum sample finger-print and standard finger-print is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape spends the mean diameter of shape less than 4 millimeters through measuring:
The similarity of table 19 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Embodiment 28
The preparation of need testing solution: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 100% methyl alcohol 50mL, weighed weight, ultrasonic extraction 5 minutes, be chilled to room temperature, supply less loss weight with methyl alcohol (be equivalent to concentration of volume percent be 100% methanol aqueous solution), shake up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.The preparation of object of reference solution: get the linarin reference substance an amount of, with the methyl alcohol dissolving, making linarin concentration is the object of reference solution of 50.0 μ g/mL.
The preparation of reference substance solution: getting the linarin reference substance an amount of, is 100% methyl alcohol dissolving with concentration of volume percent, and making linarin concentration is the single reference substance solution of 12.7～202.9 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and the finger-print of record need testing solution and the finger-print of object of reference solution, the finger-print of need testing solution is compared with the mother chrysanthemum standard finger-print that adopts the present embodiment chromatographic condition to set up, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, the chromatographic condition of HPLC test is all as follows: get respectively solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.05% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 40 ℃; Detect wavelength: 334nm.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 20, and as seen, the similarity of mother chrysanthemum sample finger-print and standard finger-print is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape spends the mean diameter of shape less than 4 millimeters through measuring:
The similarity of table 20 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Embodiment 29
The preparation of need testing solution: get mother chrysanthemum medicinal powder 0.25g, accurately weighed, place flask, accurate adding concentration of volume percent is 50% methanol aqueous solution 50mL, weighed weight, 80 ℃ of refluxing extraction 2.0 hours, being chilled to room temperature, is that 50% methanol aqueous solution is supplied less loss weight with concentration of volume percent, shakes up, 0.45 μ m miillpore filter filters, and gets subsequent filtrate as need testing solution.The preparation of object of reference solution: getting the linarin reference substance an amount of, is 50% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 42.94 μ g/mL.
The preparation of reference substance solution: each is an amount of to get chlorogenic acid reference substance, galuteolin reference substance and linarin reference substance, is 50% methanol aqueous solution dissolving with concentration of volume percent, makes the mixing reference substance solution.Wherein, in the mixing reference substance solution of gained, the concentration of chlorogenic acid is that the concentration of 21.74 μ g/mL, galuteolin is that the concentration of 10.27 μ g/mL, linarin is 42.94 μ g/mL.
Adopt high performance liquid chromatography HPLC that need testing solution and object of reference solution are not tested, and the finger-print of record need testing solution and the finger-print of object of reference solution, the finger-print of need testing solution is compared with the mother chrysanthemum standard finger-print that adopts the present embodiment chromatographic condition to set up, and calculate similarity; Adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are tested respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution, according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
Wherein, the chromatographic condition of HPLC test is all as follows: get respectively each solution 20 μ L to be measured and inject high performance liquid chromatograph, the chromatographic column octadecylsilane chemically bonded silica is filling agent, take the methyl alcohol of volume ratio as 20: 20: 60, the mixed liquor of tetrahydrofuran and acetonitrile is the organic phase of mobile phase, water take the sodium phosphate buffer aqueous solution as mobile phase (pH=6.0), adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80%, 25～40min from 85% linearity, the water percent by volume changes to 70% from 80% linearity, 40～50min, the water percent by volume changes to 30%, 50～60min from 70% linearity, the water percent by volume changes to 30% from 30% linearity, flow velocity 1.0mL/min; Column temperature: 30 ℃; Detect wavelength: 334nm.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 21, and as seen, the similarity of mother chrysanthemum sample finger-print and standard finger-print is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape spends the mean diameter of shape less than 4 millimeters through measuring.
The similarity of table 21 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Organic phase except mobile phase in the chromatographic condition of HPLC test in the present embodiment is acetonitrile, and water is outside the sodium-acetate buffer (pH=5.0), and all the other conditions are identical with embodiment 29.
The test result of the mother chrysanthemum sample of the present embodiment is shown in table 22, as seen, the similarity of the mother chrysanthemum standard finger-print that mother chrysanthemum sample finger-print and employing the present embodiment chromatographic condition are set up is greater than 0.95, and Determination of Linarin is greater than 0.8%, be high-quality mother chrysanthemum medicinal material, and its flower shape is through measuring, and the mean diameter of flower shape is less than 4 millimeters.
The similarity of table 22 mother chrysanthemum finger-print, the content of effective constituent and flower shape
Claims (14)
1. the assay method of a mother chrysanthemum finger-print comprises the steps:
(1) preparation of need testing solution: accurately weighed mother chrysanthemum medicinal powder, accurate adding concentration of volume percent is 30%～100% methanol aqueous solution, extracts, and shakes up, and filters, and gets subsequent filtrate as need testing solution;
(2) preparation of object of reference solution: getting the linarin reference substance an amount of, is 30%～100% methanol aqueous solution dissolving with concentration of volume percent, and making linarin concentration is the object of reference solution of 12.7～202.9 μ g/mL;
(3) measure: adopt high performance liquid chromatography HPLC that object of reference solution and need testing solution are detected respectively, and the finger-print of record need testing solution and the finger-print of object of reference solution; Wherein, adopt HPLC to test and comprise following chromatographic condition:
A, the filler of chromatographic column adopts octadecylsilane chemically bonded silica;
B adopts the mixed liquor of organic phase and water to carry out gradient elution as mobile phase, and wherein, the percent by volume of organic phase is 5%～90% in the described mobile phase, and the percent by volume of water is 95%～10%; Organic phase in the mobile phase is selected from one or more the mixed solvent in second eyeball, methyl alcohol and the tetrahydrofuran, and the water in the mobile phase is selected from the aqueous solution of aqueous acid or buffer salt;
C, column temperature are 25～40 ℃; The detection wavelength is 220～360nm.
2. the assay method of mother chrysanthemum finger-print as claimed in claim 1, it is characterized in that, in the step (1), described accurately weighed mother chrysanthemum medicinal powder is 0.05g～2.5g, and the accurate concentration of volume percent that adds is that the amount of 30%～100% methanol aqueous solution is 10～500mL; Described extraction is selected from refluxing extraction, ultrasonic extraction and soxhlet extraction.
3. the assay method of mother chrysanthemum finger-print as claimed in claim 2, it is characterized in that, the condition of described refluxing extraction is: 60～100 ℃ of refluxing extraction 0.5～4.0 hour are chilled to room temperature, and are the weight that 30～100% methanol aqueous solution is supplied less loss with concentration of volume percent; The condition of described ultrasonic extraction is: ultrasonic extraction 5～60 minutes is chilled to room temperature, and is that 30～100% methanol aqueous solution is supplied weight or the constant volume of less loss with concentration of volume percent.
4. the assay method of mother chrysanthemum finger-print as claimed in claim 1 is characterized in that, among the b of step (3), described aqueous acid is selected from phosphate aqueous solution, aqueous formic acid, acetic acid aqueous solution and trifluoroacetic acid aqueous solution; The aqueous solution of described buffer salt is selected from aqueous phosphatic and acetate aqueous solution, and the pH value of buffered saline solution is not more than 7.0.
5. the assay method of mother chrysanthemum finger-print as claimed in claim 1 is characterized in that, among the b of step (3), the concentration of volume percent of acid is 0.025%～0.1% in the described aqueous acid.
6. such as the assay method of the arbitrary described mother chrysanthemum finger-print of claim 1-5, it is characterized in that, in the step (3), the filler of chromatographic column adopts octadecylsilane chemically bonded silica; Organic phase take the second eyeball as mobile phase, water take the phosphate aqueous solution of concentration of volume percent as 0.05% as mobile phase, adopt gradient elution, and the condition of gradient elution is: 0～5min, the water percent by volume changes to 85% from 90% linearity, 5～25min, the water percent by volume changes to 80% from 85% linearity, 25～40min, the water percent by volume changes to 70%, 40～50min from 80% linearity, and the water percent by volume changes to 30% from 70% linearity, 50～60min, the water percent by volume changes to 30% from 30% linearity; Flow velocity is 1.0mL/min; Column temperature is 30 ℃; The detection wavelength is 334nm.
7. such as the application of assay method in the quality testing of mother chrysanthemum of the arbitrary described mother chrysanthemum finger-print of claim 1-6.
8. the quality determining method of a mother chrysanthemum, comprise that the assay method that adopts the arbitrary described mother chrysanthemum finger-print of claim 1-6 obtains the finger-print of mother chrysanthemum, adopt the condition identical with the assay method of mother chrysanthemum finger-print to obtain the standard finger-print of mother chrysanthemum, the finger-print of the mother chrysanthemum that obtains and the standard finger-print of mother chrysanthemum are carried out similarity relatively; The assay that also comprises effective constituent in the mother chrysanthemum.
9. the quality determining method of mother chrysanthemum as claimed in claim 8, it is characterized in that, adopt the condition identical with the assay method of mother chrysanthemum finger-print claimed in claim 6 to obtain the standard finger-print of mother chrysanthemum, the standard finger-print of described mother chrysanthemum comprises 18 total fingerprint peakses, take linarin chromatographic peak 12# peak (S peak) as interior reference peak, the relative retention time of other 17 total fingerprint peakses is followed successively by 1# peak (0.162 ± 0.005), 2# peak (0.216 ± 0.005), 3# peak (0.543 ± 0.005), 4# peak (0.570 ± 0.005), 5# peak (0.650 ± 0.005), 6# peak (0.693 ± 0.005), 7# peak (0.733 ± 0.005), 8# peak (0.793 ± 0.005), 9# peak (0.804 ± 0.005), 10# peak (0.842 ± 0.005), 11# peak (0.984 ± 0.005), 13# peak (1.031 ± 0.005), 14# peak (1.078 ± 0.005), 15# peak (1.136 ± 0.005), 16# peak (1.148 ± 0.005), 17# peak (1.155 ± 0.005), 18# peak (1.159 ± 0.005).
10. the quality determining method of mother chrysanthemum as claimed in claim 8 is characterized in that, described effective constituent is one or more compositions in chlorogenic acid, galuteolin and the linarin.
11. the quality determining method of mother chrysanthemum as claimed in claim 8 is characterized in that, the assay of effective constituent specifically comprises the steps: in the described mother chrysanthemum
(1) preparation of need testing solution: accurately weighed mother chrysanthemum medicinal powder 0.05g～2.5g, accurate adding concentration of volume percent is 30%～100% methanol aqueous solution, 10～500mL, extracts, and shakes up, and filters, and gets subsequent filtrate as need testing solution;
(2) preparation of reference substance solution: one or more reference substances of choosing in chlorogenic acid reference substance, galuteolin reference substance and the linarin reference substance are an amount of, be the dissolving of 30%～100% methanol aqueous solution with concentration of volume percent, make single reference substance solution or mix reference substance solution;
(3) measure: adopt high performance liquid chromatography HPLC that need testing solution and reference substance solution are detected respectively, and record respectively the chromatogram of need testing solution and the chromatogram of reference substance solution; Wherein, adopt HPLC to test and comprise following chromatographic condition:
A, the filler of chromatographic column adopts octadecylsilane chemically bonded silica;
B adopts the mixed liquor of organic phase and water to carry out gradient elution as mobile phase; Wherein, the percent by volume of organic phase is 5%～90% in the described mobile phase, and the percent by volume of water is 95%～10%; Organic phase in the mobile phase is selected from one or more the mixed solvent in second eyeball, methyl alcohol and the tetrahydrofuran, and the water in the mobile phase is selected from the aqueous solution of aqueous acid or buffer salt;
C, column temperature are 25～40 ℃; The detection wavelength is 220～360nm;
(4) according to the respective peaks area in the chromatogram of the chromatogram of the need testing solution that records and reference substance solution, calculate the content of chlorogenic acid in Flos Chrysanthemi Indici, galuteolin and linarin according to external standard method.
12. the quality determining method of mother chrysanthemum as claimed in claim 11 is characterized in that,
Described single reference substance solution is the single reference substance solution of linarin, the single reference substance solution of chlorogenic acid or the single reference substance solution of galuteolin; The concentration of linarin is 12.7～202.9 μ g/mL in the single reference substance solution of described linarin; The concentration of the single reference substance solution Content of Chlorogenic Acid of described chlorogenic acid is 2.0～32.4 μ g/mL; The concentration of galuteolin is 1.0～15.6 μ g/mL in the single reference substance solution of described galuteolin;
Described mixing reference substance solution is the mixing reference substance solution that comprises linarin, and wherein, the concentration of chlorogenic acid is that the concentration of 2.0～32.4 μ g/mL, galuteolin is that the concentration of 1.0～15.6 μ g/mL, linarin is 12.7～202.9 μ g/mL.
13. the quality determining method such as the arbitrary described mother chrysanthemum of claim 8-12 is characterized in that, the similarity of the finger-print of the mother chrysanthemum of measuring and mother chrysanthemum standard finger-print is not less than 0.95; In the mother chrysanthemum of measuring, in the dried medicinal material of mother chrysanthemum, the quality percentage composition of linarin is not less than 0.8%; The mother chrysanthemum that satisfies simultaneously above-mentioned two conditions is the high-quality mother chrysanthemum.
14. such as the application in the quality control of the quality assessment of mother chrysanthemum chrysanthemum medicinal material out of office and mother chrysanthemum medicinal material of the quality determining method of the arbitrary described mother chrysanthemum of claim 8-12.
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